RCode,Semantics,Reference
0x0,Reason for refusal is unknown or not specified.,[RFC7242]
0x1,The receiver now has the complete bundle. The sender may now consider the bundle as completely received.,[RFC7242]
0x2,The receiver's resources are exhausted. The sender SHOULD apply reactive bundle fragmentation before retrying.,[RFC7242]
0x3,The receiver has encountered a problem that requires the bundle to be retransmitted in its entirety.,[RFC7242]
0x4-0x7,Unassigned,
0x8-0xf,Reserved for future usage.,[RFC7242]